./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97e6e3d13746c4e22bbbdf0b6c24dfd54006258f6e92602d0c646bb6642564ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:05:49,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:05:49,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:05:49,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:05:49,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:05:49,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:05:49,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:05:49,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:05:49,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:05:49,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:05:49,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:05:49,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:05:49,775 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:05:49,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:05:49,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:05:49,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:05:49,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:05:49,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:05:49,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:05:49,779 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:05:49,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:05:49,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:05:49,781 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:05:49,781 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:05:49,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:05:49,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:05:49,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:05:49,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:05:49,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:05:49,784 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:05:49,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:05:49,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:05:49,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97e6e3d13746c4e22bbbdf0b6c24dfd54006258f6e92602d0c646bb6642564ab [2023-11-12 00:05:50,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:05:50,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:05:50,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:05:50,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:05:50,182 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:05:50,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i [2023-11-12 00:05:53,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:05:53,514 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:05:53,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i [2023-11-12 00:05:53,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/data/d4c98c42b/84a5238779014ea7be1c49f81e1a8549/FLAG28280c780 [2023-11-12 00:05:53,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/data/d4c98c42b/84a5238779014ea7be1c49f81e1a8549 [2023-11-12 00:05:53,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:05:53,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:05:53,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:53,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:05:53,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:05:53,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:53,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9a1805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53, skipping insertion in model container [2023-11-12 00:05:53,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:53,606 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:05:53,792 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i[916,929] [2023-11-12 00:05:53,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:53,898 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:05:53,911 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i[916,929] [2023-11-12 00:05:53,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:53,973 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:05:53,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53 WrapperNode [2023-11-12 00:05:53,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:53,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:53,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:05:53,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:05:53,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,065 INFO L138 Inliner]: procedures = 26, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 391 [2023-11-12 00:05:54,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:54,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:05:54,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:05:54,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:05:54,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:05:54,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:05:54,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:05:54,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:05:54,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:53" (1/1) ... [2023-11-12 00:05:54,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:05:54,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:05:54,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:05:54,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d110f2-4c66-4f37-856a-2a60fb92c998/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:05:54,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:05:54,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:05:54,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:05:54,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:05:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:05:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:05:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:05:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:05:54,367 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:05:54,370 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:05:54,970 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:05:55,972 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:05:55,972 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:05:55,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:55 BoogieIcfgContainer [2023-11-12 00:05:55,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:05:55,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:05:55,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:05:55,986 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:05:55,986 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:55" (1/1) ... [2023-11-12 00:05:55,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:05:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2023-11-12 00:05:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-11-12 00:05:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-12 00:05:56,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:56,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:56,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 94 conjunts are in the unsatisfiable core [2023-11-12 00:05:56,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:05:57,055 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:05:57,056 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 7 [2023-11-12 00:05:57,489 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-12 00:05:58,077 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-11-12 00:05:58,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:05:58,737 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-11-12 00:05:59,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:05:59,265 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-11-12 00:05:59,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:05:59,758 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-12 00:06:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:08,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:08,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:08,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:08,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:08,384 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 290 [2023-11-12 00:06:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 73 proven. 31 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-12 00:06:18,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-12 00:06:19,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-12 00:06:21,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:21,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 64 states and 122 transitions. [2023-11-12 00:06:21,868 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 122 transitions. [2023-11-12 00:06:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-12 00:06:21,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:21,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:22,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 108 conjunts are in the unsatisfiable core [2023-11-12 00:06:22,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:06:24,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:24,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:24,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:24,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:24,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:24,701 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 40 [2023-11-12 00:06:25,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:25,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:25,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:25,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:25,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:25,489 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:06:25,490 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 57 [2023-11-12 00:06:26,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:26,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:26,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:26,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:26,502 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:06:26,503 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 69 [2023-11-12 00:06:27,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:27,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:27,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:27,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:27,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:27,660 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:06:27,661 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 81 [2023-11-12 00:06:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:28,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:28,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:28,275 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:06:28,275 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 81 [2023-11-12 00:06:28,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:28,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:28,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:28,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:28,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:28,900 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:06:28,901 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 74